Add the verbatim perl code mentioned in the comments of

[p5sagit/p5-mst-13.2.git] / mg.c

diff --git a/mg.c b/mg.c
index f88b078..dfe1fb7 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -1560,7 +1560,8 @@ Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg)
         * tell whether HINT_STRICT_REFS is in force or not.
         */
        if (!strchr(s,':') && !strchr(s,'\''))
-           Perl_sv_insert(aTHX_ sv, 0, 0, STR_WITH_LEN("main::"));
+           Perl_sv_insert_flags(aTHX_ sv, 0, 0, STR_WITH_LEN("main::"),
+                                SV_GMAGIC);
        if (i)
            (void)rsignal(i, PL_csighandlerp);
        else
@@ -1606,7 +1607,8 @@ Perl_magic_setisa(pTHX_ SV *sv, MAGIC *mg)
             : (GV*)SvMAGIC(mg->mg_obj)->mg_obj
     );
 
-    mro_isa_changed_in(stash);
+    if (stash)
+       mro_isa_changed_in(stash);
 
     return 0;
 }
@@ -1631,7 +1633,8 @@ Perl_magic_clearisa(pTHX_ SV *sv, MAGIC *mg)
             : (GV*)SvMAGIC(mg->mg_obj)->mg_obj
     );
 
-    mro_isa_changed_in(stash);
+    if (stash)
+       mro_isa_changed_in(stash);
 
     return 0;
 }
@@ -3140,7 +3143,7 @@ Perl_magic_sethint(pTHX_ SV *sv, MAGIC *mg)
 }
 
 /*
-=for apidoc magic_sethint
+=for apidoc magic_clearhint
 
 Triggered by a delete from %^H, records the key to
 C<PL_compiling.cop_hints_hash>.